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Emamverdi, M., Zareh-Shahneh, A., Zhandi, M., Zaghari, M., Minai-Tehrani, D. (2020). Production of selenium enriched yeast and assessment of the effect of its different ‎levels on the morphology and biometry of internal and reproductive organs in broiler ‎breeder hens. , 51(1), 1-8. doi: 10.22059/ijas.2018.262869.653656
Mojtaba Emamverdi; Ahmad Zareh-Shahneh; Mahdi Zhandi; Mojtaba Zaghari; Dariush Minai-Tehrani. "Production of selenium enriched yeast and assessment of the effect of its different ‎levels on the morphology and biometry of internal and reproductive organs in broiler ‎breeder hens". , 51, 1, 2020, 1-8. doi: 10.22059/ijas.2018.262869.653656
Emamverdi, M., Zareh-Shahneh, A., Zhandi, M., Zaghari, M., Minai-Tehrani, D. (2020). 'Production of selenium enriched yeast and assessment of the effect of its different ‎levels on the morphology and biometry of internal and reproductive organs in broiler ‎breeder hens', , 51(1), pp. 1-8. doi: 10.22059/ijas.2018.262869.653656
Emamverdi, M., Zareh-Shahneh, A., Zhandi, M., Zaghari, M., Minai-Tehrani, D. Production of selenium enriched yeast and assessment of the effect of its different ‎levels on the morphology and biometry of internal and reproductive organs in broiler ‎breeder hens. , 2020; 51(1): 1-8. doi: 10.22059/ijas.2018.262869.653656

Production of selenium enriched yeast and assessment of the effect of its different ‎levels on the morphology and biometry of internal and reproductive organs in broiler ‎breeder hens

علوم دامی ایران
Article 1, Volume 51, Issue 1, May 2020, Pages 1-8    PDF (443.27 K)
Document Type: Research Paper
DOI: 10.22059/ijas.2018.262869.653656
Authors
Mojtaba Emamverdi1; Ahmad Zareh-Shahneh2; Mahdi Zhandi* 3; Mojtaba Zaghari4; Dariush Minai-Tehrani5
1Ph. D. Candidate, Department of Animal Science, College of Agriculture and Natural Resources, ‎University of Tehran, Karaj, Iran
2Professor, Department of Animal Science, College of Agriculture and Natural Resources, University of ‎Tehran, Karaj, Iran
3Associate Professor, Department of Animal Science, College of Agriculture and Natural Resources, University of Tehran, Karaj, ‎Iran
4Professor, Department of Animal Science, College of Agriculture and Natural Resources, University of Tehran, Karaj, ‎Iran
5Faculty of Life Science and Biotechnology, Shahid Beheshti University, Tehran, Iran
Abstract
The aim of present study was to produce selenium enriched yeast and determine its optimum level on morphology and biometry of internal and reproductive organs in broiler breeder hens in comparison to Selemax (commercial organic sodium selenite) and mineral selenite. This study was done in two parts, in the 1st experiment; selenium-enriched yeast was produced. In the 2nd experiment, a total of 150 Ross 308 broiler breeder hens (49 weeks of age) were used in 6 treatments of 5 replicates with 5 hens each. The treatments were included: 1) Control group (without selenium), diet containing; 2) 0.15; 3) 0.30 and 4) 0.45 mg/kg of produced selenium enriched yeast (SY0.15, SY0.3, SY0.45, respectively), 5) 0.30 mg/kg Selemax, and 6) 0.30 mg/kg sodium selenite (SS). At the end of the experiment, three hens from each replication were slaughtered. In the 1st experiment, the amount of selenium per kilogram of dry selenium-enriched yeast was 2823 mg. In the 2nd experiment, the number of large follicles in the SY0.45 group was significant higher compared to control, SY0.15 and SS groups. The weight of the abdominal cavity fat of the SY0.45 group was significantly lower compared to control group. Therefore, using of 0.45 mg/kg of produced organic selenium in the broiler breeder diet increased number of large follicles and decreased abdominal cavity fat. Of course, further studies are needed to assessment of other performance and reproductive parameters.
Keywords
Broiler breeder; performance; selenium; selenium-enriched yeast‎
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